Lupinus succulentus (Arroyo lupine)

Lupinus succulentus Douglas ex K. Koch

Arroyo lupine, hollowleaf annual lupine, succulent lupine

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Rosidae	Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
Order	Fabales	Legumes (pea and bean families)
Family	Fabaceae	Legume family (peas and beans)
Genus	Lupinus	“Wolf,” because of the mistaken belief that lupines ravage land they grow on; in fact, they contribute nutrients
Species	succulentus	thick and fleshy, juicy, from the roots succus, “juice,” and -ulentus, a suffix indicating an abundance of

About plant names...

These lupines have learned to get by with less water than most, and are natives of the extreme southwestern United States.

Identification: Plants are 8-39" (20-100 cm) high. Leaves are palmlike, rosettes of 7-9 leaflets. Each leaflet is ¾-2" (2-6 cm) × ¼-¾" (7-20 mm). Flowers are spikes 3½-6" (9-15 cm) high. Fruits resemble pea pods, 1¼-1¾" (3.5-5 cm) long × ¼-⅜" (8-10 mm), with 6-9 seeds per pod.

Online References:

Lupinus succulentus on the USDA Plants Database

Lupinus succulentus at George and Audrey DeLange's Arizona wildflower site

Lupinus succulentus on CalPhotos

Lupinus succulentus on SEINet—the Southwest Environmental Information Network

2/28/2010 · Anza-Borrego Desert State Park, California
≈ 11 × 7" (27 × 18 cm) ID is uncertain

Lupinus succulentus Douglas ex K. Koch var. layneae C.P. Sm.

Lupinus succulentus description by Thomas H. Kent, last updated 25 May 2020.

2/28/2010 · Anza-Borrego Desert State Park, California
≈ 17 × 12" (44 × 29 cm) ID is uncertain

2/28/2010 · Anza-Borrego Desert State Park, California
≈ 11 × 10" (27 × 26 cm) ID is uncertain

2/28/2010 · Anza-Borrego Desert State Park, California
≈ 14 × 9" (35 × 23 cm) ID is uncertain

2/28/2010 · Anza-Borrego Desert State Park, California
≈ 8 × 5" (20 × 12 cm) ID is uncertain

Range:

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